Fresh air system and air conditioner with same

The utility model provides a fresh air system and an air conditioner with the fresh air system, and the fresh air system comprises a fresh air pipeline which is used for conveying outdoor fresh air into a room; the exhaust cavity communicates with the indoor environment and is used for exhausting indoor airflow to the outside; and the switching mechanism is located between the fresh air pipeline and the exhaust cavity, and at least part of the position of the switching mechanism can be adjusted, so that the exhaust cavity communicates with or is separated from the fresh air pipeline by adjusting the position of the switching mechanism. The problem that in the prior art, dust is prone to being accumulated in a fresh air pipeline, and consequently the fresh air quality is reduced is solved. 本实用新型提供了一种新风系统及具有其的空调器，新风系统，包括：新风管道，用于将室外新风输送至室内；排风腔室，与室内环境连通，用于将室内气流排出至室外；切换机构，切换机构位于新风管道和排风腔室之间且至少部分位置可调节地设置，以通过调节切换机构的位置使排风腔室与新风管道连通或分隔。本实用新型解决了现有技术中的新风管道内容易积灰尘导致的降低新风质量的问题。